Locking mechanism



Nov. 2, 1926.

, H. HANSEN LOCKING MECHANISM s Sheets-Shet 1 Filed June 16, 1922 E-Jwuantoz- Nov. 2, 1926. 1,605,893

H HANSE N LOCKING MECHANISM Filed June 16 1922 3 Sheets-Sheet 2 i Hi Nov. 2, 1926. 1,605,893

. H. HANSEN LOCKING MECHANISM Filec} June 16 1922 3 Sheets-Sheet :5

Patented Nov. 2, 1926.

le hll'lill l STATES rattan rarer caries.

I-IEPJMAII HANSEN, OF NEW YORK, N. Y., ASSIGNOR TO FRANCIS KEIL & SON INC., A CORPORATION OF NEW YORK.

LOCKING MECHANISM.

Application filed June 16, 1922. Serial No. 568,724.

My invention relates to a mechanism to be locked the construction of which is adapted for many different uses where great security is desired.

The object of my invention is to provide a lock which is soconstructed that a bolt operated thereby is rotated in order to bring a lateral projection thereon into engagement with a bolt-socket so as to prevent the direct longitudinal withdrawal of the same without previously rotating the bolt to disengage the lateral projection from the bolt-socket. Further objects of my invention will appear from the detailed description contained here inafter.

lVhile my invention is capable of embodiment in many different forms, torthe purpose of illustration I have shown only one form thereof in the accompanying drawing, in which- Figure 1 is a rear elevation of a lock made in accordance with my invention;

l 2 is a front elevation of the interior of the locking mechanism showing the lock in unlocked position;

Fig. 3 is a similar view showing the bolts extended before the rotation thereof;

Fig. 4 is another View of the same kind but showing the bolts after having been rotated;

Fig. 5 is an end elevation of the locking mechanism showing the bolts extended and after having been rotated;

Fig. 6 is a front elevation of the interior of the lock casing showing the sliding plates removed 7 is a front elevation of the main sliding plate showing the two rotatable bolts attached thereto;

F S is a side elevation of the same showing the bolts removed therefrom;

Fig. 9 is a frontelevation of the auxiliary sliding plate;

Fig. 10 is a side elevation of the same;

Fig. 11 is a side elevation of the retaining plate used for holdino'the bolts in engage ment with the sliding plates;

Fig. 12 is an elevation of the cover and the lock-operating lever thereon;

F 18 is a side elevation showing the bolt-socket member;

Fig. l l is a front elevation of the same;

Fig. is a side elevation showing the key receiving barrel for operating the lock, the barrel casing for enclosing the same and a key for the lock;

plate Fig. 16 is a front elevation of the same showing the key removed; and

Fig. 1 7 is a side elevation of said key.

In the drawings I have shown a key 1 adapted to extend into a barrel 2 arranged to rotate within an outer casing 3 which has screw-holes l for securing the look within the outer portion of a door. Within the barrel casing are the usual tumblers designed for controlling the rotation of a key of this type. Secured to the rotatable barrel 2 there is a lock-operating arm 5 having an enlarged "forward end 6 which is retained in engagement with the barrel 2 by means of a slotted disc 7 secured to the barrel 2 by screws 8. The lock-operating arm 5, at its rearward end, engages with a slot 9 in a rotating arm 10 pivoted in a cover plate 11. Said arm 10, to operate the lock, is provided with a rear-wardly extending eccentric pin 12 which is so positioned as to engage with a slot 13 in an auxiliary sliding plate 14 having lateral upper and lower guide flanges 15 guiding the said plate within a main sliding plate 16 provided with flanges 17 at the top and bottom of the same which fit within guideways 18 in a lock-casing 19. At one side of the auxiliary sliding plate 14 there is an arm 20 extending through a slot 21 in the form of a cross located in a forward flange 22 on the main sliding plate 16, said arm 20 having upwardly and downwardly directed pins 23 and 24 to engage with upper and lower bolts 25 and 26 respectively which have spiral guideways 27 and 28 respectively for engagement with said pins. The upper and lower bolts 25 and 26 are constructed alike eXcept that the upper bolt 25 has a laterally directed stop 29 to cooperate with a projection 30 in the interior of the lock-casing 19 to prevent the rotation of the bolts except when fully extended, in the manner hereinafter described. Each of the said bolts 25 and 26 is provided with a T-shaped projection 31 which is engaged with the main sliding plate 1.6 by inserting the same through the slot 21 in the forward flange 22. Each of the said bolts furthermore, has at its outer end two lugs 32 at opposite sides of the bolt to engage within the interior of a bolt-socket member 33 adapted to be carried by the door casing, or frame, said boltsocket member having a rectangular opening 34 in a plate 35. It will be noted that said. bolt-socket member has a plurality of screw-holesBGtor attaching it to said door casing, or frame. it will be noted, also, that each of said bolts is provided with a core 37 ot' hardened steel to prevent the bolts from being sawed oil when extended in locking position. When the main sliding plate carrying the upper and lower bolts andQd has been inserted into the lock-casing 19 by introducing the ends of the bolts througlr slots at) in the side of the lock-casing and in such a manner that a pin 39 on anarm 4:0, adapted to be rotatedby a knurled head 41 extending outwardly to the rear of the loclrcasing, has been passed through a heartshaped slot 42 in the mainsl-icling plate 16, the auxiliary sliding plate ll is-introduced within the main sliding plate'16 in- Such a manner that the pins 23 and "PA pass through the cross-shaped slot 21 into engagement with the spirzlrecesses 27 and '28 on the bolts'25 and 26 and insuch a manner as to bring the slot13 over'the pin 39. Thearm d0, furthermore, has a slight extension 42 cooperating with a spring 42 supported within the lock-casing 19 in such a manner as to tend to retain the locking mechanism at one or the other end of its path of movement, so as to make the locking and unlocking movement smoother in operation. In order to hold the two sliding platesand tumblers in engagement in this manner a retaining plate 43, having two circular openings 14 fitting over the rear ends of the bolts 25 and 26 and a recess fitting overthe arm 20, is secured to the forward flange 22 of the main sliding plate 16'by means oi": ascrew 46. It will be noted that thelock-casing 19 has a number otscrew-holes i? for securing it to the door, which is to be fastened by the lock, and that said casing 19 has sorewholes' 4:9 and the cover plate 11 has screw-holes 49 so that screws may be inserted for holding the cover and lock-casing. together. It will be noted, also, that the cover-plate 11, when held in place in the lock-casing 19 by the screws 50, alsoholds in their proper position the sliding plates 14 and 16 by contact with the rear portion of the auxiliary-sliding plate 1 1.

In the operation of the lock, the key 1, being inserted in the door, will control the turnblers within the barrel 2 so as to permit the rotation of the latter and, as a result, the rotation of the lock-operating arm 5, so as to bring about the rotation of the eccentric pin 12 engaging with the slot 13 in the sliding plate l l. Assuming that the lock is in unlocked position, the rotating ot the eccentricpin 12 will cause the two sliding plates 1 1 and 16, as well as the bolts 25 and 26. to be moved forwardly until they reach their fully extended this entire movement of' position. Duri g the two sliding plates 14: and '16 and the bolts 25'and 26,thelateral stop :29, on the upper bolt 25, is in engagement with the projection 30 in the lock'easing so that these tour parts move in unison in this portion of the movement of the locking parts. As soon as the outermost position of extension 01' the bolts has been reached a further rotation of the key and the eccentric pin 12 does not result in the lateral movement of the main sliding plate 16 carrying the bolts 25 and 26 because of the :tact that the lateral stop 2i is now incontact with the side of the lockcasingbut such further rotation of the key results in the movement of the auxiliary sliding plate 1lrelative to the main sliding plate 16 and the consequentrotation of the bolts 25 and 26 owing to the presence of the spiral guidewaystherein, which are in engagen'ient with the upper and lower pins 23 andEZ l connected to said auxiliary sliding plate. This rotation of the bolts 25 and 26 r or its in the lugs thereon being moved out o? alignment with therectangular opening 3% in the bolt-socket member 33 so that they go at both sides of the same in the interror of said bolt-socket member, thus preventing the longitudinal withdrawal ot said bolts 25 and 26 without first rote-ting them to diseng go said lugs from the edges of the bolt-socket member. lhis rotation, furthermore, cannot be effected by merely applying a force to the periphery of the bolts owing to the particular inclination of the slots in the bolt and 26. Furthermore, the bolts cannot be sawed off when so extended because of the hardened steel cores 37. In unlocking the lock the movement or" key 1 in the reverse direction will rotate he bolts and 28 until they are in ali in'ient with the rectangular opening 34:, and then withdraw the bolts within the lock-casing 19 by a reverse series of movement. Should anyone be in the interior ot the room, or compartment, locked by the lock it is possible for him to release the locltby operating the hnurlet head ll without the necessity of using a key. 7

While I have described my invention above in detail I wish it to be understood that many changes may be made therein without departing from the spirit of the same.

I claim:

l. A lock having a bolt and bolt-extending-and-rotating devices, comprising main and auxiliary sliding plates, spiral connection between one of said plates and said bolt and a key actuated-member adapted to move said plates by operating upon the plate having the spiral connection to the bolt.

A. lockhaving a bolt and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation atter the bolextending movement has been efiected,'comprising main and auxiliary sliding pl::1t(-' -s,-a spiral connection between one of said plates andsaid bolt and a Hill key actuated member adapted to move said plates by operating upon the plate having the spiral connection to the bolt.

3. ii. lock having a bolt and bolt-extending-and-rotating devices, comprising main and auxiliary sliding plates, a spiral con nection between one of said plates and said bolt in the form of a spiral groove on said bolt and an extension on said auxiliary sliding plate projecting therein.

A. look having a bolt and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-extending movement has been etiected, comprising main and auxiliary sliding plates, a spiral connection between one of said plates and said bolt in the form of a spiral channel on said bolt and an extension on said auxiliary sliding plate engaging therewith.

5. A look having a bolt and bolt-extending-and-rotating devices, comprising main and auxiliary flatsliding plates, a spiral connection between one of said plates and said bolt in the form of" a spiral guideway on said bolt, an extension on said auxiliary sliding plate engaging therewith and a stop on said bolt controlling the rotary position thereof.

6. A look having abolt and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-extending movement has been effected, comprising main and auxiliary sliding plates, a spiral connection between one of said plates and said bolt in the form of a spiral guideway on said bolt, an extension on said. auxiliary sliding plate engaging therewith and a lug on said bolt controlling the rotary position thereof.

7. A lock having a bolt and bolt-extending-and-rotating devices, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolt. the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto and having an arm extending into engagement with said bolt.

8. A look having a bolt and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the boltextending movement has been effected, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolt, the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto and having an arm extending into engagement with said bolt.

9. A lock having a bolt and bolt-extending-and-rotating devices, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolt in the form of a spiral guideway on said bolt and a. lug on said auxiliary sliding plate engaging therewith, the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto.

10. vA lock having a bolt and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-extending movement has been effected, comprising main and aux= iliary sliding plates and a spiral connection between one of said plates and said bolt in the form of a spiral guideway on said bolt and an extension on said auxiliary sliding plate engaging therewith, the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto.

11. A look having a bolt and bolt-extend ing-and-rotating devices, comprising main and auxiliary sliding plates and a spiral con n ction between one of said plates and said bolt in the form of a spiral guideway' on said bolt, an extension on said auxiliary sliding plate engaging therewith and a lug on said bolt controlling the rotary position thereof, the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto.

12. A lock having a bolt and bolt-extending-androtati11g devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-extending movement has been effected, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolt in the form of a spiral guideway on said bolt, an extension on said auxiliary sliding plate engaging therewith and a stop on said bolt controlling the rotary position thereof, the bolt being attached to the main sliding plate and the auxiliary plate being movable with regard thereto.

13. A look having a plurality of bolts and bolt-extending-and-rotating devices, comprising main and auxiliary sliding plates and a spiral connection between one off said plates and said bolts, the bolts being carried by the main slicing plate and the auxiliary plate being movable with regard thereto and having an arm extending into engagement with said bolts, and alocking plate for securing the bolts and sliding plates together.

14. A lock having a plurality of bolts and boltextending-androtating devices, so arranged that the boltrotating devices are brought into operation after the bolt-extending movement has been effected, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolts, the bolts being carried by the main sliding plate and the auxiliary plate being movable with regard thereto and having an arm extending into engagement with said bolts, and a locking plate for securing the bolts and sliding plates together.

15. A. look havim aplurality of bolts and bolt-extending-and-rotating devices, comprising main and auxiliary sliding ,plates and a spiral connection between one of said plates and said bolts in the form of. a spiral guideway on the bolts and an extension on said auxiliary sliding plate engaging therewith, the bolts being carried by the main sliding plate and the auxiliary plate being movable with regard thereto, and a locking plate for securing the bolts and sliding plates together.

16. A loci: having a plurality of bolts and bolt-extendingand-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-ex tending movement has been effected, comprising main and auxiliary sliding plates and a spiral connection between one of. said plates and said belts in theforni ofa spiral guideway on said bolts and an extension on said auxiliary sliding plateengaging there with, the bolts being car-ied by the ma 1 sliding plate and the auxil ary plate being movable with regard thereto, and a locking plate for securing the bolts and sliding plates together.

17. A look having a plurality of bolts and bolt-extending-and-rotating devices, 0111- prising main and auxiliary sliding plates and a spiral connection between one of said plates and said bolts in the form of a spiral guideway on said bolts, an extension on said auxiliary sliding plate engaging therewith and a stop on said bolts controlling themtary position thereof, the'bolts being carried by the main sliding plate and the auxiliary plate being movable with regard thereto, and a locking plate for securing the bolts and sliding plates together.

18. A. lock having a plurality of bolts and bolt-extending-and-rotating devices, so arranged that the bolt-rotating devices are brought into operation after the bolt-extending movement has been effected, comprising main and auxiliary sliding plates and a spiral connection between one of said plates and said belts in the form of a spiral guideway on said bolts, an extension on said auxiliary sliding plates engaging therewith and a stop on saidbolts controlling the rotary position thereof, the bolts being carried by the main sliding plate and the auxiliary plate being. movable with regard thereto, and a locking plate for securing the bolts and-sliding plates together.

.19. A look having a bolt, and bolt extending and rotating devices comprising main and auxiliary sliding plates, a spiral connection between one of said plates and said bolt, the latter having a hard steel core adjacent exposed portions of the bolt when in looking position, and a key actuated member adapted to move said plates by operating upon the plate having the spiral connection to the bolt.

20. A look having a plurality of bolts and bolt extending and rota-ting devices for operating the same, comprisingmain and auxiliary sliding plates, and spiral connections between one of said plates and said bolts.

21. A lock having a b0lt,means including a plate for controlling the forward direction if movement of the bolt, and a sliding plate having a spiral connection with said bolt for rotating the same.

22. A lock having a bolt, means including a plate for controlling the forward direction of movement, of the bolt, a sliding plate having a spiral connection with said bolt forrotating the same, and an oscillating crank for controlling the movement of the sliding plate.

In testimony that I claim the foregoing, I have hereunto set. my hand this 12 day of June, 1922.

. HER-MAY HANSEN.- 

